Biology 1201 Exam 1 (LSU Dr. |\ |\ |\ |\ |\ |\
Bhattacharya) questions with answers |\ |\ |\
The larger the volume of a substance the more
|\ |\ |\ |\ |\ |\ |\ |\ |\
_______________ energy. - CORRECT ANSWERS ✔✔Thermal |\ |\ |\ |\ |\
A __________________ is a substance that cannot be broken
|\ |\ |\ |\ |\ |\ |\ |\ |\
down to other substances by chemical reactions. -
|\ |\ |\ |\ |\ |\ |\ |\
CORRECT ANSWERS ✔✔Element |\ |\
A ___________________ is a substance consisting of two or
|\ |\ |\ |\ |\ |\ |\ |\ |\
more elements in a fixed ratio. - CORRECT ANSWERS
|\ |\ |\ |\ |\ |\ |\ |\ |\
✔✔Compound
A change in characteristics when elements combine to
|\ |\ |\ |\ |\ |\ |\ |\
form a compound is an example of... - CORRECT
|\ |\ |\ |\ |\ |\ |\ |\ |\
ANSWERS ✔✔Emergent Property |\ |\
What are the 20-25% of the 92 natural elements are
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
required for life? - CORRECT ANSWERS ✔✔Essential
|\ |\ |\ |\ |\ |\ |\
Elements
,__________ _______________ are required by an organism in
|\ |\ |\ |\ |\ |\ |\ |\
only minute quantities. - CORRECT ANSWERS ✔✔Trace
|\ |\ |\ |\ |\ |\ |\
Elements
_______________ is the measure of mass for atoms and |\ |\ |\ |\ |\ |\ |\ |\ |\
subatomic particles; the same as the atomic mass unit, or
|\ |\ |\ |\ |\ |\ |\ |\ |\
amu. - CORRECT ANSWERS ✔✔Dalton
|\ |\ |\ |\ |\
___________ is the smallest unit of matter that still retains
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
the properties of an element. - CORRECT ANSWERS
|\ |\ |\ |\ |\ |\ |\ |\
✔✔Atom
An element's _____________ _______________ is the number
|\ |\ |\ |\ |\ |\ |\
of protons in its nucleus. - CORRECT ANSWERS ✔✔Atomic
|\ |\ |\ |\ |\ |\ |\ |\ |\
Number
Protons + Neutrons = - CORRECT ANSWERS ✔✔Mass
|\ |\ |\ |\ |\ |\ |\ |\
Number/Atomic Mass |\
________________ are two atoms of an element that differ |\ |\ |\ |\ |\ |\ |\ |\ |\
in the number of neutrons. - CORRECT ANSWERS
|\ |\ |\ |\ |\ |\ |\ |\
✔✔Isotopes
,___________________ ______________ decay spontaneously, |\ |\ |\ |\
giving off particles and energy. - CORRECT ANSWERS
|\ |\ |\ |\ |\ |\ |\ |\
✔✔Radioactive Isotopes |\
What are uses of Radioactive Isotopes? - CORRECT
|\ |\ |\ |\ |\ |\ |\ |\
ANSWERS ✔✔Radioactive isotopes have many
|\ |\ |\ |\ |\
applications in biological research. |\ |\ |\
Radioactive decay rates can be used to date fossils.
|\ |\ |\ |\ |\ |\ |\ |\
Radioactive isotopes are also used to diagnose medical
|\ |\ |\ |\ |\ |\ |\ |\
disorders.
____________ is the capacity to cause change. - CORRECT
|\ |\ |\ |\ |\ |\ |\ |\ |\
ANSWERS ✔✔Energy |\
________________ __________ is the energy that matter |\ |\ |\ |\ |\ |\ |\
possesses because of its location or structure. - CORRECT
|\ |\ |\ |\ |\ |\ |\ |\
ANSWERS ✔✔Potential Energy
|\ |\ |\
The ______________ electrons are from the nucleus, the
|\ |\ |\ |\ |\ |\ |\ |\
more potential energy they have. - CORRECT ANSWERS
|\ |\ |\ |\ |\ |\ |\ |\
✔✔farther
The different states of potential energy of the electrons of
|\ |\ |\ |\ |\ |\ |\ |\ |\
an atom are called _________________ ___________. -
|\ |\ |\ |\ |\ |\ |\ |\
CORRECT ANSWERS ✔✔Electron Shells
|\ |\ |\
, ___________________ electrons are those in the outermost |\ |\ |\ |\ |\ |\ |\
shell. - CORRECT ANSWERS ✔✔Valence
|\ |\ |\ |\
An ___________ is the three dimensional space where an
|\ |\ |\ |\ |\ |\ |\ |\ |\
electron is found 90% of the time. - CORRECT ANSWERS
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
✔✔Orbital
No more than _____ electrons can occupy a single orbital.
|\ |\ |\ |\ |\ |\ |\ |\ |\
- CORRECT ANSWERS ✔✔2
|\ |\ |\ |\
Atoms with incomplete valence shells can share or
|\ |\ |\ |\ |\ |\ |\ |\
transfer valence electrons with certain other atoms.
|\ |\ |\ |\ |\ |\ |\
These interactions usually result in atoms staying close
|\ |\ |\ |\ |\ |\ |\ |\
together, held by attractions called _________________
|\ |\ |\ |\ |\ |\
__________. - CORRECT ANSWERS ✔✔Chemical Bonds |\ |\ |\ |\ |\
A _______________ ________ is the sharing of a pair of
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
valence electrons by two atoms. - CORRECT ANSWERS
|\ |\ |\ |\ |\ |\ |\ |\
✔✔Covalent Bond |\
A ________________ consists of two or more atoms held
|\ |\ |\ |\ |\ |\ |\ |\ |\
together by covalent bonds. - CORRECT ANSWERS
|\ |\ |\ |\ |\ |\ |\
✔✔molecule
Bhattacharya) questions with answers |\ |\ |\
The larger the volume of a substance the more
|\ |\ |\ |\ |\ |\ |\ |\ |\
_______________ energy. - CORRECT ANSWERS ✔✔Thermal |\ |\ |\ |\ |\
A __________________ is a substance that cannot be broken
|\ |\ |\ |\ |\ |\ |\ |\ |\
down to other substances by chemical reactions. -
|\ |\ |\ |\ |\ |\ |\ |\
CORRECT ANSWERS ✔✔Element |\ |\
A ___________________ is a substance consisting of two or
|\ |\ |\ |\ |\ |\ |\ |\ |\
more elements in a fixed ratio. - CORRECT ANSWERS
|\ |\ |\ |\ |\ |\ |\ |\ |\
✔✔Compound
A change in characteristics when elements combine to
|\ |\ |\ |\ |\ |\ |\ |\
form a compound is an example of... - CORRECT
|\ |\ |\ |\ |\ |\ |\ |\ |\
ANSWERS ✔✔Emergent Property |\ |\
What are the 20-25% of the 92 natural elements are
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
required for life? - CORRECT ANSWERS ✔✔Essential
|\ |\ |\ |\ |\ |\ |\
Elements
,__________ _______________ are required by an organism in
|\ |\ |\ |\ |\ |\ |\ |\
only minute quantities. - CORRECT ANSWERS ✔✔Trace
|\ |\ |\ |\ |\ |\ |\
Elements
_______________ is the measure of mass for atoms and |\ |\ |\ |\ |\ |\ |\ |\ |\
subatomic particles; the same as the atomic mass unit, or
|\ |\ |\ |\ |\ |\ |\ |\ |\
amu. - CORRECT ANSWERS ✔✔Dalton
|\ |\ |\ |\ |\
___________ is the smallest unit of matter that still retains
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
the properties of an element. - CORRECT ANSWERS
|\ |\ |\ |\ |\ |\ |\ |\
✔✔Atom
An element's _____________ _______________ is the number
|\ |\ |\ |\ |\ |\ |\
of protons in its nucleus. - CORRECT ANSWERS ✔✔Atomic
|\ |\ |\ |\ |\ |\ |\ |\ |\
Number
Protons + Neutrons = - CORRECT ANSWERS ✔✔Mass
|\ |\ |\ |\ |\ |\ |\ |\
Number/Atomic Mass |\
________________ are two atoms of an element that differ |\ |\ |\ |\ |\ |\ |\ |\ |\
in the number of neutrons. - CORRECT ANSWERS
|\ |\ |\ |\ |\ |\ |\ |\
✔✔Isotopes
,___________________ ______________ decay spontaneously, |\ |\ |\ |\
giving off particles and energy. - CORRECT ANSWERS
|\ |\ |\ |\ |\ |\ |\ |\
✔✔Radioactive Isotopes |\
What are uses of Radioactive Isotopes? - CORRECT
|\ |\ |\ |\ |\ |\ |\ |\
ANSWERS ✔✔Radioactive isotopes have many
|\ |\ |\ |\ |\
applications in biological research. |\ |\ |\
Radioactive decay rates can be used to date fossils.
|\ |\ |\ |\ |\ |\ |\ |\
Radioactive isotopes are also used to diagnose medical
|\ |\ |\ |\ |\ |\ |\ |\
disorders.
____________ is the capacity to cause change. - CORRECT
|\ |\ |\ |\ |\ |\ |\ |\ |\
ANSWERS ✔✔Energy |\
________________ __________ is the energy that matter |\ |\ |\ |\ |\ |\ |\
possesses because of its location or structure. - CORRECT
|\ |\ |\ |\ |\ |\ |\ |\
ANSWERS ✔✔Potential Energy
|\ |\ |\
The ______________ electrons are from the nucleus, the
|\ |\ |\ |\ |\ |\ |\ |\
more potential energy they have. - CORRECT ANSWERS
|\ |\ |\ |\ |\ |\ |\ |\
✔✔farther
The different states of potential energy of the electrons of
|\ |\ |\ |\ |\ |\ |\ |\ |\
an atom are called _________________ ___________. -
|\ |\ |\ |\ |\ |\ |\ |\
CORRECT ANSWERS ✔✔Electron Shells
|\ |\ |\
, ___________________ electrons are those in the outermost |\ |\ |\ |\ |\ |\ |\
shell. - CORRECT ANSWERS ✔✔Valence
|\ |\ |\ |\
An ___________ is the three dimensional space where an
|\ |\ |\ |\ |\ |\ |\ |\ |\
electron is found 90% of the time. - CORRECT ANSWERS
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
✔✔Orbital
No more than _____ electrons can occupy a single orbital.
|\ |\ |\ |\ |\ |\ |\ |\ |\
- CORRECT ANSWERS ✔✔2
|\ |\ |\ |\
Atoms with incomplete valence shells can share or
|\ |\ |\ |\ |\ |\ |\ |\
transfer valence electrons with certain other atoms.
|\ |\ |\ |\ |\ |\ |\
These interactions usually result in atoms staying close
|\ |\ |\ |\ |\ |\ |\ |\
together, held by attractions called _________________
|\ |\ |\ |\ |\ |\
__________. - CORRECT ANSWERS ✔✔Chemical Bonds |\ |\ |\ |\ |\
A _______________ ________ is the sharing of a pair of
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
valence electrons by two atoms. - CORRECT ANSWERS
|\ |\ |\ |\ |\ |\ |\ |\
✔✔Covalent Bond |\
A ________________ consists of two or more atoms held
|\ |\ |\ |\ |\ |\ |\ |\ |\
together by covalent bonds. - CORRECT ANSWERS
|\ |\ |\ |\ |\ |\ |\
✔✔molecule
